Update index.php

index.php

@@ -3,7 +3,7 @@
  * @file index.php
  * @date 2017-12-18
  * @author Go Namhyeon <gnh1201@gmail.com>
- * @brief ReasonablePHPFramework
+ * @brief VerySimplePHPFramework
  * @cvs http://github.com/gnh1201/verysimplephpframework
  */
 
@@ -13,11 +13,10 @@ ini_set("max_execution_time", 0);
 error_reporting(E_ALL);
 ini_set("display_errors", 1);
 
-// including vendor autoloader
-include_once('./vendor/autoload.php');
-
-// load system files
+// define system modules
 $load_systems = array('base', 'config', 'database', 'uri', 'logger', 'security');
+
+// load system modules
 foreach($load_systems as $system_name) {
 	$system_inc_file = './system/' . $system_name . '.php';
 	if(file_exists($system_inc_file)) {
@@ -25,21 +24,24 @@ foreach($load_systems as $system_name) {
 	}
 }
 
+// autoload module
+if(array_key_empty('enable_autoload', $config)) {
+	loadModule("autoload");
+}
+
 // set timezone
 $default_timezone = array_key_empty("timezone", $config) ? $config['timezone'] : "UTC";
 date_default_timezone_set($default_timezone);
 
-// start session (enable $_SESSION)
-session_start();
-
 // route controller
 $route = '';
-if(array_key_exists('route', $_REQUEST)) {
+if(!array_key_empty('route', $_REQUEST)) {
 	$route = $_REQUEST['route'];
 }
 
+// load route
 if(empty($route)) {
-	$route = 'index';
+	$route = 'welcome';
 } else {
 	$route_names = explode('/', $route);
 	if(count($route) > 1) {